The following sections have no content, and appear to be a
recapitulation of the list immediately above them in 2.16 [1]. Can
these redundant and empty sections simply be removed? I suspect they
are a hangover from XML 1.1 support.
2.16.1 NCName Type
2.16.2 anyURI Type
2.16.3 QName Type
2.16.4 boolean Type
[1]
http://dev.w3.org/cvsweb/~checkout~/2002/ws/desc/wsdl20/wsdl20.html?cont
ent-type=text/html;%20charset=utf-8#simpletypes